Chevrolet Volt (2017) is 364 mm (14.33 inch) longer and 135 mm (5.31 inch) higher than Mercedes SLK-Class (2017).
Mercedes SLK-Class (2017) is 29 mm (1.14 inch) wider, 266 kg (586 lbs) lighter and has 35 liters (1.24 ft3) bigger cargo space than Chevrolet Volt (2017).